The JGL36000S25LW is a 3-pole automatic molded case switch from Schneider Electric’s Square D PowerPact J-Frame series, designed to open and close a circuit under normal operating conditions in industrial and commercial power distribution systems. Unlike a standard molded case circuit breaker, the JGL36000S25LW is a disconnect device with a factory-set, non-adjustable magnetic trip point that protects the switch itself, and it does not provide overload protection for the connected circuit. Rated for 250 at 600, it can make and break its rated current and is built for installation in J-Frame enclosures, switchboards, motor control centers, and industrial control panels.
Electrically, the JGL36000S25LW uses a fixed magnetic (instantaneous) trip to guard the switch against damage from high fault currents, and it carries a short-circuit withstand rating of 18kA@600V. Because it has no thermal overload element, the JGL36000S25LW must be protected by a suitable upstream overcurrent device and is best used as a dependable disconnecting means rather than as a circuit’s sole protective device.
Mechanically, the JGL36000S25LW features lug connections on both the line and load sides, along with control wire terminals on both ends for wiring auxiliary or control circuits directly at the switch. It shares the same compact J-Frame footprint and accessory options as PowerPact J-Frame circuit breakers, so it fits existing J-Frame installations without special modifications. UL 489 listed and certified to CSA, ANCE, and IEC standards, the JGL36000S25LW is a practical, code-compliant choice for adding a reliable disconnect point to a distribution system.
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